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nir/spirv: Force 32-bit for UBO and SSBO Booleans 

Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
This commit is contained in:
Jason Ekstrand 2018-11-13 10:07:31 -06:00
parent f16bd8a9fe
commit 44b7005581
1 changed files with 8 additions and 2 deletions
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10
src/compiler/spirv/vtn_variables.c
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@ -623,6 +623,13 @@ _vtn_load_store_tail(struct vtn_builder *b, nir_intrinsic_op op, bool load,
nir_intrinsic_instr *instr = nir_intrinsic_instr_create(b->nb.shader, op);
instr->num_components = glsl_get_vector_elements(type);
/* Booleans usually shouldn't show up in external memory in SPIR-V.
* However, they do for certain older GLSLang versions and can for shared
* memory when we lower access chains internally.
*/
const unsigned data_bit_size = glsl_type_is_boolean(type) ? 32 :
glsl_get_bit_size(type);
int src = 0;
if (!load) {
nir_intrinsic_set_write_mask(instr, (1 << instr->num_components) - 1);
@ -654,8 +661,7 @@ _vtn_load_store_tail(struct vtn_builder *b, nir_intrinsic_op op, bool load,
if (load) {
nir_ssa_dest_init(&instr->instr, &instr->dest,
instr->num_components,
glsl_get_bit_size(type), NULL);
instr->num_components, data_bit_size, NULL);
(*inout)->def = &instr->dest.ssa;
}